opengl

Documentation

Index

• func Clear(r, g, b, a float64)
• func Flush()
• func Init()
• type Filter
• type Framebuffer
  • func NewFramebufferFromTexture(texture *Texture) (*Framebuffer, error)
  • func NewZeroFramebuffer(width, height int) (*Framebuffer, error)
  • func (f *Framebuffer) Dispose()
  • func (f *Framebuffer) ProjectionMatrix() [4][4]float64
  • func (f *Framebuffer) SetAsViewport() error
  • func (f *Framebuffer) Size() (width, height int)
• type Texture
  • func NewTexture(width, height int, filter Filter) (*Texture, error)
  • func NewTextureFromImage(img image.Image, filter Filter) (*Texture, error)
  • func (t *Texture) Dispose()
  • func (t *Texture) Native() gl.Texture
  • func (t *Texture) Pixels() ([]uint8, error)
  • func (t *Texture) Size() (width, height int)

Functions

func Clear

func Clear(r, g, b, a float64)

func Flush

func Flush()

func Init

func Init()

Types

type Filter

type Filter int

const (
	FilterNearest Filter = gl.NEAREST
	FilterLinear         = gl.LINEAR
)

type Framebuffer

type Framebuffer struct {
	// contains filtered or unexported fields
}

func NewFramebufferFromTexture

func NewFramebufferFromTexture(texture *Texture) (*Framebuffer, error)

func NewZeroFramebuffer

func NewZeroFramebuffer(width, height int) (*Framebuffer, error)

func (*Framebuffer) Dispose

func (f *Framebuffer) Dispose()

func (*Framebuffer) ProjectionMatrix

func (f *Framebuffer) ProjectionMatrix() [4][4]float64

func (*Framebuffer) SetAsViewport

func (f *Framebuffer) SetAsViewport() error

func (*Framebuffer) Size

func (f *Framebuffer) Size() (width, height int)

type Texture

type Texture struct {
	// contains filtered or unexported fields
}

func NewTexture

func NewTexture(width, height int, filter Filter) (*Texture, error)

func NewTextureFromImage

func NewTextureFromImage(img image.Image, filter Filter) (*Texture, error)

func (*Texture) Dispose

func (t *Texture) Dispose()

func (*Texture) Native

func (t *Texture) Native() gl.Texture

func (*Texture) Pixels

func (t *Texture) Pixels() ([]uint8, error)

func (*Texture) Size

func (t *Texture) Size() (width, height int)